The fatal explosion last week at U.S. Steel's Pittsburgh-area coal-processing plant has revived debate about its future just ...

What happens when you drop Mentos into Coke—but in oil instead of water? In this experiment, we test the reaction and see if ...

They just would keep rigging things together, not fixing stuff. The batteries need to be taken down one at a time and ...

A Mobile Air Unit provided by the Pennsylvania Department of Environmental Protection and Carnegie Mellon University made ...

The fatal explosion last week at U.S. Steel’s Pittsburgh-area coal-processing plant has revived debate about its future just as the iconic American company was emerging from a long p ...